Dexmedetomidine and Melatonin for Sleep Induction for EEG in Children (MeloDex)
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ClinicalTrials.gov Identifier: NCT04665453 |
Recruitment Status :
Recruiting
First Posted : December 11, 2020
Last Update Posted : December 16, 2020
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Condition or disease | Intervention/treatment | Phase |
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Electroencephalography Child Dexmedetomidine Melatonin Sleep Epilepsy | Diagnostic Test: Electroencephalography Diagnostic Test: Monitoring of vital functions Drug: Melatonin 0,1mg/kg oral syrup Drug: Dexmedetomidine 3 mcg/kg sublingually Drug: Dexmedetomidine 3 mcg/kg intranasally | Not Applicable |
At University Medical Centre Ljubljana (UMCL; Slovenia), the investigators use electroencephalography (EEG) in wakefulness and sleep for diagnostic and therapeutic purposes in children with (suspected) epilepsy. Since epileptiform activity can only be detected during sleep in some patients and because children with intellectual disabilities have sometimes problems with cooperation, EEG in induced sleep is required.
In this study, the investigators will enroll 150 children who need EEG recorded in their sleep. The investigators will compare safety and efficacy of the two active substances, one of which will be given in two possible routes. Fifty children will receive melatonin in the form of a syrup orally, 50 children will receive dexmedetomidine intranasally in the form of a nasal spray, and 50 children will receive dexmedetomidine sublingually. The investigators will monitor the following parameters: the time in which the child falls asleep, vital functions during sleep (blood pressure, blood oxygen saturation, respiratory rate frequency and heart rate frequency), the impact on the technical implementation of EEG, the depth of sleep and waking time. All parents will give their written consent for their child to participate in the study.
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 150 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Diagnostic |
Official Title: | Comparison of Efficacy of Dexmedetomidine and Melatonin for Sleep Induction for Electroencephalography in Children |
Actual Study Start Date : | September 1, 2020 |
Estimated Primary Completion Date : | December 31, 2021 |
Estimated Study Completion Date : | December 31, 2021 |

Arm | Intervention/treatment |
---|---|
Experimental: Melatonin peroral
0,1mg/kg melatonin will be given in the form of a syrup to the participant before EEG and vital functions monitoring
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Diagnostic Test: Electroencephalography
Recording of the brain electrical activity during sleep; background activity and sleep phases will be evaluated
Other Name: EEG Diagnostic Test: Monitoring of vital functions Measuring of respiratory rate, heart rate, SpO2, every 10 minutes after the medicine is given to the patient for the duration of EEG, and after 120 minutes. Blood pressure is measured at the time of application of the medicine, at the end of EEG and after 120 minutes. Drug: Melatonin 0,1mg/kg oral syrup Melatonine in the form of syrup will be given orally to child. |
Experimental: Dexmedetomidine intranasally
3 mcg/kg of dexmedetomidine in the form of a nasal spray will be given to the participant before EEG and vital functions monitoring
|
Diagnostic Test: Electroencephalography
Recording of the brain electrical activity during sleep; background activity and sleep phases will be evaluated
Other Name: EEG Diagnostic Test: Monitoring of vital functions Measuring of respiratory rate, heart rate, SpO2, every 10 minutes after the medicine is given to the patient for the duration of EEG, and after 120 minutes. Blood pressure is measured at the time of application of the medicine, at the end of EEG and after 120 minutes. Drug: Dexmedetomidine 3 mcg/kg intranasally Dexmedetomidine in the form of nasal spray will be given to child intranasally. |
Experimental: Dexmedetomidine sublingually
3 mcg/kg of dexmedetomidine will be given to the participant sublingually before EEG and vital functions monitoring
|
Diagnostic Test: Electroencephalography
Recording of the brain electrical activity during sleep; background activity and sleep phases will be evaluated
Other Name: EEG Diagnostic Test: Monitoring of vital functions Measuring of respiratory rate, heart rate, SpO2, every 10 minutes after the medicine is given to the patient for the duration of EEG, and after 120 minutes. Blood pressure is measured at the time of application of the medicine, at the end of EEG and after 120 minutes. Drug: Dexmedetomidine 3 mcg/kg sublingually Dexmedetomidine in the form of a solution will be given to child sublingually. |
- Comparison of the three medical interventions on sleep initiation [ Time Frame: During the intervention ]The time-interval between the drug application and time of sleep initiation will be recorded in minutes. These values will be compared across the three arms of the study
- Comparison of the three medical interventions on the depth of sleep and the most prominent sleep stage on EEG [ Time Frame: During the intervention ]During EEG in sleep, which will be recorderd using a standard 10-20 placement with additional electrodes for breathing and ECG, the EEG background activity will be evaluated for the deepest sleep stage according to the standard EEG classification (Carskadon MA, Dement WC. Normal Human Sleep: an Overview. In: Kryger M, Roth T, Dement WC. Principles and practice of sleep medicine. St.Louis: Saunders/Elsevier, 2011:16-26.). Also, the sleep stage in which the patient will spend the most time will be noted. These values will be compared across the three arms of the study.
- Comparison of the three medical interventions on respiratory rate [ Time Frame: During the intervention ]Measurement of respiratory rate every 10 minutes after the medicine is given to the patient for the duration of EEG recording, and after 120 minutes. The values will be compared across the three arms of the study.
- Comparison of the three medical interventions on heart rate [ Time Frame: During the intervention ]Measurement of heart rate every 10 minutes after the medicine is given to the patient for the duration of EEG recording, and after 120 minutes. The values will be compared across the three arms of the study.
- Comparison of the three medical interventions on oxygene saturation [ Time Frame: During the intervention ]Measurement of oxygene saturation using pulse oximetry every 10 minutes after the medicine is given to the patient for the duration of EEG recording, and after 120 minutes. The values will be compared across the three arms of the study.
- Comparison of the three medical interventions on blood pressure [ Time Frame: During the intervention ]Measurement of systolic and diastolic blood pressure will be noted at the time of application of the medicine, at the end of EEG and after 120 minutes. These values will be compared across the three arms of the study.

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Ages Eligible for Study: | 1 Year to 20 Years (Child, Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Age between 1 and 20 years
- Referral for EEG in sleep
- Children/young adults whose parents/caregivers were informed about the aims of the study and have signed the Informed consent form
Exclusion Criteria:
- Children that were unable to follow the study protocol were excluded during the study

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04665453
Contact: Damjan Osredkar, MD, PhD | 0038615229273 | damjan.osredkar@kclj.si | |
Contact: Urška Mahne, MD, BVetMed | 0038615229273 | urskamahne@yahoo.co.uk |
Slovenia | |
University Medical Centre Ljubljana | Recruiting |
Ljubljana, Slovenia, 1000 | |
Contact: Damjan Osredkar, MD, PhD damjan.osredkar@kclj.si | |
Contact: Urška Mahne, MD, BVetMed. urskamahne@yahoo.co.uk | |
Sub-Investigator: Urška Mahne, MD, BVetMed | |
Sub-Investigator: Eva Vrščaj, MD | |
Sub-Investigator: Katja Peganc, OT | |
Sub-Investigator: David Neubauer, MD, PhD | |
Sub-Investigator: Mirjana Perković Benedik, MD, PhD | |
Sub-Investigator: Neli Bizjak, MD, PhD | |
Sub-Investigator: Zvonka Rener Primec, MD, PhD | |
Sub-Investigator: Jasna Oražem, MD | |
Sub-Investigator: Tita Butenko, MD | |
Sub-Investigator: Nataša Šuštar, MD | |
Principal Investigator: Damjan Osredkar, MD, PhD | |
Sub-Investigator: Eva Rihar, MD |
Responsible Party: | Damjan Osredkar, Assoc. Prof. Damjan Osredkar, MD, PhD, University Medical Centre Ljubljana |
ClinicalTrials.gov Identifier: | NCT04665453 |
Other Study ID Numbers: |
0120-597/2019/16 |
First Posted: | December 11, 2020 Key Record Dates |
Last Update Posted: | December 16, 2020 |
Last Verified: | December 2020 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | No |
Child Dexmedetomidine Melatonin Electroencephalography Autism Spectrum Disorder |
Developmental Delay Disorder Epilepsy Sleep Sleep induction |
Epilepsy Brain Diseases Central Nervous System Diseases Nervous System Diseases Dexmedetomidine Melatonin Hypnotics and Sedatives Central Nervous System Depressants Physiological Effects of Drugs Analgesics, Non-Narcotic Analgesics |
Sensory System Agents Peripheral Nervous System Agents Adrenergic alpha-2 Receptor Agonists Adrenergic alpha-Agonists Adrenergic Agonists Adrenergic Agents Neurotransmitter Agents Molecular Mechanisms of Pharmacological Action Antioxidants Protective Agents |